Finding the Fourth Proportional to 3,641.46, 5,025.86 and 2,149.28

Step by Step Solution

1. Step 1: Write the proportion equation
   3,641.46 : 5,025.86 = 2,149.28 : x
2. Step 2: Convert to fraction form
   3,641.46/5,025.86 = 2,149.28/x
3. Step 3: Cross multiply
   3,641.46x = 5,025.86 × 2,149.28
4. Step 4: Simplify right side
   3,641.46x = 10,801,980.38
5. Step 5: Solve for x
   x = 10,801,980.38/3,641.46
6. Step 6: Final answer
   x = 2,966.39